CN211995467U

CN211995467U - Automobile anti-collision beam

Info

Publication number: CN211995467U
Application number: CN202020692259.8U
Authority: CN
Inventors: 刘鑫洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-11-24
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses an automobile anti-collision beam, including the anticollision roof beam main part, the crossbeam is installed to the one end of anticollision roof beam main part, and the crossbeam is circular-arc structure setting, and the energy-absorber is installed at the inboard both ends of crossbeam, and the lap board is installed to the one end of energy-absorber, and the four corners of lap board is provided with the screw hole, and a side surface of lap board is provided with the extension board, and spring damper is installed to the one end of extension board, and interior backup pad is installed to spring damper's one end, and the top surface mounting of crossbeam has the bolt. The utility model discloses an inboard at the crossbeam sets up the inner support plate to set up spring damper at inner support plate both ends, receive the striking back when the crossbeam in the outside, inboard spring damper will produce elasticity absorption vibration kinetic energy, reduce the produced striking fracture in both ends, inboard inner support plate also can secondary absorption elasticity when the crossbeam receives positive striking simultaneously, and produce the deformation that supporting role reduced the crossbeam because of the striking produced in the inboard.

Description

Automobile anti-collision beam

Technical Field

The utility model relates to an automotive equipment field, in particular to car anticollision roof beam.

Background

The anti-collision beam is a device for reducing the impact energy absorbed when a vehicle is collided, and consists of a main beam, an energy absorption box and a mounting plate connected with the vehicle, wherein the main beam and the energy absorption box can effectively absorb the impact energy when the vehicle is collided at a low speed, so that the damage of the impact force to a vehicle body longitudinal beam is reduced as much as possible, and the anti-collision beam plays a role in protecting the vehicle.

The existing automobile anti-collision beam is particularly easy to generate unrecoverable deformation due to the fact that the middle part of the anti-collision beam is bent when a stress point is in a point shape, particularly, the point-shaped collision is easy to cause the whole anti-collision beam to fall off from an automobile due to collision fracture due to the lever principle when the point-shaped collision is in the same side direction of the side edge, so that the anti-collision beam loses the protection function on an automobile body, and is dangerous for a driver in the automobile when the automobile anti-collision beam faces to link collision.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide an automobile anticollision roof beam.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an automobile anti-collision beam, including the anticollision roof beam main part, the crossbeam is installed to the one end of anticollision roof beam main part, and the crossbeam is circular-arc structure setting, the energy-absorber is installed at the inboard both ends of crossbeam, the lap plate is installed to the one end of energy-absorber, the four corners of lap plate is provided with the screw hole, a side surface of lap plate is provided with the extension board, spring damper is installed to the one end of extension board, interior backup pad is installed to spring damper's one end, the top surface mounting of crossbeam has the bolt.

As the utility model discloses a preferred technical scheme, the energy-absorber is fixed connection with crossbeam and overlap joint board respectively, overlap joint board and extension board are fixed weld, and the whole welding cross-section of extension board and overlap joint board sets up for the L type, spring damper respectively with extension board and interior backup pad fixed connection, interior backup pad and crossbeam pass through bolt threaded connection.

As a preferred technical scheme of the utility model, the number of energy-absorber, overlap joint board, extension board, spring damper is two, the crossbeam inboard is sunken setting, and interior gusset and crossbeam are for inlaying the installation.

As a preferred technical scheme of the utility model, interior backup pad is circular-arc structure setting, and is parallel arrangement with the crossbeam, the interior backup pad inboard is provided with sunk structure, the surface of interior backup pad is provided with the shell, the inboard of shell is provided with the filling layer.

As an optimal technical scheme of the utility model, one side middle part of shell is provided with the frictional layer, the shell is mainly formed by the engineering plastics preparation, the filling layer mainly is filled by foam material and is made, the frictional layer is formed by the preparation of soft system rubber materials, and the frictional layer is connected with shell and crossbeam gluey nature respectively.

As a preferred technical scheme of the utility model, fixing bolt is installed on spring damper's top, the slide bar is installed to fixing bolt's bottom, the spring cap is installed in the middle part outside of slide bar, compression spring is installed at the bottom edge of spring cap, the spring holder is installed to compression spring's bottom, the lap board is installed to the bottom of spring holder.

As a preferred technical scheme of the utility model, the slide bar passes through fixing bolt fixed connection with the extension board, spring holder and overlap joint board are fixed connection, spring holder and spring lid pass through compression spring elastic connection, slide bar and fixing bolt are fixed connection, and slide bar and spring lid are sliding connection.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses an inboard at the crossbeam sets up the inner support plate to set up spring damper at inner support plate both ends, receive the striking back when the crossbeam in the outside, inboard spring damper will produce elasticity absorption vibration kinetic energy, reduce the produced striking fracture in both ends, inboard inner support plate also can secondary absorption elasticity when the crossbeam receives positive striking simultaneously, and produce the deformation that supporting role reduced the crossbeam because of the striking produced in the inboard.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of an inner support plate structure of the present invention;

FIG. 3 is a schematic structural view of the spring damper of the present invention;

in the figure: 1. an impact beam main body; 2. a cross beam; 3. an energy absorber; 4. a lap plate; 5. a threaded hole; 6. an extension plate; 7. a spring damper; 8. an inner support plate; 9. a bolt; 10. a housing; 11. a filling layer; 12. a friction layer; 13. a slide bar; 14. a spring cover; 15. a compression spring; 16. a spring seat; 17. and (5) fixing the bolt.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in fig. 1-3, the utility model provides an automobile anti-collision beam, including anti-collision beam main part 1, crossbeam 2 is installed to the one end of anti-collision beam main part 1, and crossbeam 2 sets up for circular-arc structure, energy absorber 3 is installed at the inboard both ends of crossbeam 2, lap strap 4 is installed to the one end of energy absorber 3, the four corners of lap strap 4 is provided with screw hole 5, a side surface of lap strap 4 is provided with extension plate 6, spring damper 7 is installed to the one end of extension plate 6, inner support plate 8 is installed to spring damper 7's one end, the top surface mounting of crossbeam 2 has bolt 9.

Furthermore, the energy absorber 3 is respectively fixedly connected with the cross beam 2 and the lap plate 4, the lap plate 4 and the extension plate 6 are fixedly welded, the integral welding section of the extension plate 6 and the lap plate 4 is arranged in an L shape, the spring shock absorber 7 is respectively fixedly connected with the extension plate 6 and the inner support plate 8, the inner support plate 8 is in threaded connection with the cross beam 2 through bolts 9, the number of the energy absorber 3, the lap plate 4, the extension plate 6 and the spring shock absorber 7 is two, the inner side of the cross beam 2 is arranged in a concave manner, the inner support plate 8 and the cross beam 2 are arranged in an embedded manner, the inner support plate 8 is fixed to the inner side through the bolts at the top end and the bottom end of the cross beam 2 and is arranged in an embedded manner with the cross beam 2, two ends of the inner support plate 8 are provided with plane plates parallel to the extension plate 6, the extension plate 6 is fixedly connected with the lap plate 4 in an L shape, the extension plate 6, and the installation space required by the fixing bolt 17 of the spring damper 7 is reserved, and after the spring damper 7 is installed between the inner supporting plate 8 and the extension plate 6, elastic anti-seismic structures are formed at two ends, so that the stability of the anti-collision beam main body 1 is improved.

The inner supporting plate 8 is arranged in an arc-shaped structure and is parallel to the cross beam 2, a concave structure is arranged on the inner side of the inner supporting plate 8, the surface of the inner supporting plate 8 is provided with a shell 10, the inner side of the shell 10 is provided with a filling layer 11, the middle part of one side of the shell 10 is provided with a friction layer 12, the shell 10 is mainly made of engineering plastics, the filling layer 11 is mainly made of foam materials, the friction layer 12 is made of soft rubber materials, the friction layer 12 is respectively connected with the shell 10 and the cross beam 2 in a gluing way, so that the structure of the inner supporting plate 8 is the cross beam 2 with a small size, the inner supporting plate 8 is directly embedded to the inner side of the cross beam 2 during installation and is fixed by the gluing of the friction layer 12 on the surface of the inner supporting plate 8, a certain elastic buffer structure is arranged between the inner supporting plate 8 and the cross beam 2, and the cross beam 2 can generate a, the influence of the collision on the passengers in the vehicle is reduced.

The top end of the spring shock absorber 7 is provided with a fixed bolt 17, the bottom end of the fixed bolt 17 is provided with a sliding rod 13, the outer side of the middle part of the sliding rod 13 is provided with a spring cover 14, the edge of the bottom end of the spring cover 14 is provided with a compression spring 15, the bottom end of the compression spring 15 is provided with a spring seat 16, the bottom end of the spring seat 16 is provided with a lapping plate 4, the sliding rod 13 and an extension plate 6 are fixedly connected through the fixed bolt 17, the spring seat 16 and the lapping plate 4 are fixedly connected, the spring seat 16 and the spring cover 14 are elastically connected through the compression spring 15, the sliding rod 13 and the fixed bolt 17 are fixedly connected, and the sliding rod 13 and the spring cover 14 are in sliding connection, so that when the spring shock absorbers 7 at two ends are impacted oppositely, after the energy absorbers 3 are collapsed and damaged in a small amplitude, the fixed bolt 17 and the extension plate 6 generate pressure to the structure connected with the lapping plate 4, and the compression spring 15 between the spring, and reduce the shock effect, make the whole front of anticollision roof beam main part 1 resist compression, if receive equidirectional punctiform when striking, energy absorber 3 receives the small amplitude and pulls, and the compression spring 15 between spring lid 14 and the spring holder 6 will be stretched and absorbed a small amount of impulsive force, prevents that the side from droing and reduces the protectiveness.

Specifically, when the protective beam main body 1 is impacted in the front, the beam 2 is pressed in the front and firstly transmits impact force to the energy absorber 3, when the energy absorber 3 is overloaded, small-amplitude collapse damage is generated, at the moment, the fixing bolts 17 and the extension plates 6 at two ends of the inner support plate 8 at the inner side of the beam 2 generate pressure towards the fixing structure connected with the lapping plate 4, the fixing bolts 17 prop against the fixing structure, the compression springs 15 between the spring cover 14 and the spring seat 6 are extruded and absorb partial impact force generated by impact, meanwhile, the vibration damage at the inner side is reduced, the whole front of the anti-collision beam main body 1 is pressed against pressure, the impact resistance is enhanced, when the protective beam main body 1 is impacted in the same direction, generally, one end of two ends of the protective beam main body 1 is stressed, the stress generates lever principle effect at the moment, the non-stressed part at the other end forms a fulcrum, and the energy absorber 3 generates small-amplitude pull and tear, when the force-bearing end energy absorber 3 is pulled in a small range, the compression spring 15 between the force-bearing end spring cover 14 and the spring seat 6 can be stretched to absorb a small amount of impact force, the compression spring 15 between the non-force-bearing end spring cover 14 and the spring seat 6 can generate elastic compression effect, the energy absorber 3 is assisted to fix the position of the energy absorber, and the side face is prevented from falling off to reduce the protection performance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automobile anti-collision beam, includes anticollision roof beam main part (1), its characterized in that, crossbeam (2) are installed to the one end of anticollision roof beam main part (1), and crossbeam (2) are circular-arc structure setting, energy absorber (3) are installed at the inboard both ends of crossbeam (2), lap-joint plate (4) are installed to the one end of energy absorber (3), the four corners of lap-joint plate (4) is provided with screw hole (5), a side surface of lap-joint plate (4) is provided with extension board (6), spring damper (7) are installed to the one end of extension board (6), interior backup pad (8) are installed to the one end of spring damper (7), the top surface mounting of crossbeam (2) has bolt (9).

2. An automobile anti-collision beam according to claim 1, characterized in that the energy absorber (3) is fixedly connected with the cross beam (2) and the lapping plate (4), the lapping plate (4) and the extension plate (6) are fixedly welded, the integral welding section of the extension plate (6) and the lapping plate (4) is in an L-shaped arrangement, the spring damper (7) is fixedly connected with the extension plate (6) and the inner support plate (8), and the inner support plate (8) and the cross beam (2) are in threaded connection through a bolt (9).

3. The automobile anti-collision beam as claimed in claim 2, characterized in that the number of the energy absorber (3), the lap plate (4), the extension plate (6) and the spring shock absorber (7) is two, the inner side of the beam (2) is recessed, and the inner support plate (8) and the beam (2) are mounted in an embedded manner.

4. The automobile anti-collision beam according to claim 3, characterized in that the inner supporting plate (8) is of a circular arc structure and is parallel to the cross beam (2), a concave structure is arranged on the inner side of the inner supporting plate (8), a shell (10) is arranged on the surface of the inner supporting plate (8), and a filling layer (11) is arranged on the inner side of the shell (10).

5. The automobile anti-collision beam according to claim 4, characterized in that a friction layer (12) is arranged in the middle of one side of the outer shell (10), the outer shell (10) is mainly made of engineering plastics, the filling layer (11) is mainly made of foam materials, the friction layer (12) is made of soft rubber materials, and the friction layer (12) is respectively in adhesive connection with the outer shell (10) and the cross beam (2).

6. The automobile anti-collision beam according to claim 3, characterized in that a fixing bolt (17) is installed at the top end of the spring damper (7), a sliding rod (13) is installed at the bottom end of the fixing bolt (17), a spring cover (14) is installed on the outer side of the middle of the sliding rod (13), a compression spring (15) is installed at the edge of the bottom end of the spring cover (14), a spring seat (16) is installed at the bottom end of the compression spring (15), and an inner support plate (8) is installed at the bottom end of the spring seat (16).

7. The automobile impact beam according to claim 6, wherein said sliding rod (13) and said extension plate (6) are fixedly connected by a fixing bolt (17), said spring seat (16) and said inner support plate (8) are fixedly connected, said spring seat (16) and said spring cover (14) are elastically connected by a compression spring (15), said sliding rod (13) and said fixing bolt (17) are fixedly connected, and said sliding rod (13) and said spring cover (14) are slidably connected.